Practice Factors Affecting Resistance - 8.7 | 8. Current Electricity | ICSE Class 10 Physics
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Knowledge

8.7 - Factors Affecting Resistance

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What happens to the resistance when the length of a wire is increased?

πŸ’‘ Hint: Think about how distance affects movement.

Question 2

Easy

Does a thicker wire have more or less resistance?

πŸ’‘ Hint: Consider how space influences flow.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What is the relationship between the length of a wire and its resistance?

  • Length decreases resistance
  • Length increases resistance
  • Length has no effect on resistance

πŸ’‘ Hint: How would running longer distances affect your stamina?

Question 2

True or False: A thicker wire has more resistance than a thinner wire.

  • True
  • False

πŸ’‘ Hint: Consider how pipe sizes affect water flow.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

A 3-meter long aluminum wire has a resistance of 0.22 ohms. If the wire is doubled in length but maintains its original diameter, what would be the new resistance?

πŸ’‘ Hint: Consider how length directly affects resistance.

Question 2

If a metal wire's resistance is measured at room temperature and then heated to red hot, estimating the resistance might be key. If the initial resistance was 5 Ξ©, what might it be after heating?

πŸ’‘ Hint: Reflect on temperature's effect on resistance in metals.

Challenge and get performance evaluation